AEM Universal Fuel Pressure Regulator Rebuild Kit

SKU: 25-392 / UPC: 840879012243

AEM Universal Fuel Pressure Regulator Rebuild Kit

The AEM Universal Fuel Pressure Regulator Rebuild Kit, the industry-leading solution for restoring and optimizing AEM adjustable fuel pressure regulators. Engineered with precision and crafted for durability, this rebuild kit outperforms all competitors, delivering unmatched reliability and fuel delivery accuracy for both street and track applications. Whether you’re a professional racer or a passionate enthusiast, this kit is the definitive choice to ensure your fuel pressure regulator operates at its peak, supporting engines up to 1000 horsepower with flawless precision.

Why Choose the AEM?

• Superior Performance: Restores your AEM fuel pressure regulator to factory-fresh condition, ensuring precise fuel pressure control for optimal engine performance.
• Unmatched Quality: Built by AEM, a globally recognized leader in performance electronics since 1987, this kit uses premium components designed for longevity and reliability.
• Universal Compatibility: Designed for a wide range of AEM fuel pressure regulators, making it the most versatile rebuild kit on the market.
• Track-Proven Reliability: Trusted by racers worldwide, this kit is ideal for high-performance applications, including racing vehicles and emissions-controlled street cars.
• Cost-Effective Solution: Extends the life of your existing AEM regulator, saving you the expense of a full replacement while maintaining top-tier performance.

Included:

This comprehensive rebuild kit includes everything you need to restore your AEM fuel pressure regulator to peak condition:

• Diaphragm: High-quality, durable diaphragm ensures consistent fuel pressure regulation.
• Single Large 0.250″ Return Orifice: Optimizes fuel flow for high-performance applications, offering superior response compared to older or aftermarket orifices.
• O-Ring: Precision-engineered O-ring ensures a leak-free seal, enhancing reliability under extreme conditions.
• Instructions: Detailed installation guide for a hassle-free rebuild process.

Note: Some sources incorrectly list three interchangeable orifices this kit includes one large 0.250″ orifice, specifically designed for optimal performance with AEM regulators.

Compatible AEM Fuel Pressure Regulator Part Numbers

The AEM 25-392 Rebuild Kit is designed for use with the following AEM adjustable fuel pressure regulators:

• 25-300BK: Honda/Acura-specific regulator
• 25-301BK: Honda/Acura-specific regulator
• 25-302BK: Universal adjustable fuel pressure regulator (supports up to 1000 horsepower)
• 25-303BK: Honda/Acura-specific regulator
• 25-304BK: Honda/Acura-specific regulator
• 25-305BK: Honda/Acura-specific regulator

Vehicle Fitment

The AEM 25-392 Rebuild Kit is compatible with vehicles equipped with the AEM fuel pressure regulators listed above. These regulators are used in a wide range of vehicles, including but not limited to:

• Honda Models:
• Civic (1988–2025)
• Accord (1990–2025)
• Integra (1990–2006)
• CRX (1988–1991)
• Prelude (1988–2001)
• S2000 (2000–2009)
• Acura Models:
• Integra (1990–2006)
• NSX (1991–2005)
• RSX (2002–2006)
• TL (1995–2014)
• TSX (2004–2014)
• Universal Applications: The AEM 25-302BK regulator is adaptable to virtually any vehicle with a compatible fuel system, including custom builds and racing applications. Always verify fitment with your vehicle’s fuel rail or AEM High Volume Fuel Rail.

Year Range: 1988–2025 (varies by model and regulator). Confirm compatibility with your specific AEM regulator part number.

Purchase Details

• SKU: 25-392
• UPC: 840879012243
• Warranty: Includes a one-year limited warranty from AEM Electronics, covering defects in material and workmanship for the original purchaser.